023  
CDUS43 KLOT 150636  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT WED OCT 15 2025  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR OCTOBER 14 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2025  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 78 2020 65 5 57  
MINIMUM 56 30 2002 44 12 41  
AVERAGE 63 54 9 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 4.02 2017 0.13 -0.11 T  
MONTH TO DATE 0.69 1.73 -1.04 0.27  
SINCE SEP 1 1.40 5.04 -3.64 2.68  
SINCE JAN 1 26.41 34.38 -7.97 36.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 11 -9 16  
MONTH TO DATE 54 120 -66 63  
SINCE SEP 1 103 200 -97 86  
SINCE JUL 1 115 206 -91 90  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 42 13 29 7  
SINCE SEP 1 173 119 54 153  
SINCE JAN 1 1076 944 132 1022    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 80 1999  
MINIMUM TEMPERATURE (F) 44 30 2006  
 
SUNRISE AND SUNSET  
OCTOBER 15 2025.......SUNRISE 7:05 AM CDT SUNSET 6:11 PM CDT  
OCTOBER 16 2025.......SUNRISE 7:06 AM CDT SUNSET 6:09 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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